Re: gas mph 05 vs 08
in my 2008 h2 sut i tried to run 87 and 89 and it hesistate under wot...but with 91 it pulls really strong...the hummer dealership told me to run 91 oct in it when i bought it and now i know why
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scott j.
2008 h2 sut
2008 escalade
1969 charger
Last edited by lasvegash2 : 09-15-2008 at 09:34 PM.
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